tasks.rake

  class ZenwebBuilder < WEBrick::HTTPServlet::FileHandler
    @@semaphore = Mutex.new

    def service req, res
      @@site ||= @@semaphore.synchronize { website }

      url = req.path
      target_path = File.join(".site", url)

      target_path = File.join target_path, "index.html" if
        File.directory? target_path

      task = Rake.application[target_path] rescue nil

      if task then
        unless system "#{Gem.ruby} -S rake clean generate" then
          warn "WARNING: couldn't run 'rake clean generate' properly, exited: %p" % [$?]
        end

        @@site = nil
        Rake.application = Rake::Application.new # reset

        if target_path =~ /(html|css|js)$/ then
          task.clear_timestamp
          task.reenable
        end
      else
        warn "NOTE: No file found for %s (%s)" % [url, target_path]
      end

      super
    end
  end